diff --git a/build-constraints.yaml b/build-constraints.yaml
index 2b2a3f5f..305e9363 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -788,7 +788,8 @@ packages:
     "Leon Mergen leon@solatis.com @solatis":
         - base58string
         - bitcoin-api
-        - bitcoin-api-extra
+        # https://github.com/solatis/haskell-bitcoin-api-extra/issues/1
+        # - bitcoin-api-extra
         - bitcoin-block
         - bitcoin-script
         - bitcoin-tx